<template>
  <div
    :class="animate"
    :style="{ height: height, width: width }"
    :id="chartOption.bindingDiv"
    ref="chartDiv"
  />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "@/views/dashboard/mixins/resize";

import "../../animate/animate.css";
import { cylinderBIanalysis } from "@/api/tool/datav/chartBI/chartCylinderBI";
import { parseQueryString, fIsUrL } from "../../util/urlUtil";
import { chartApiBar, remoteChartApi,chartBIanalysis } from "@/api/tool/datav/chartApi";
import { getFormsource } from "@/api/tool/datav/formsource";
import { linkChart } from "../../util/LinkageChart";
import { addOption } from "../../codegen/codegen";
import VueEvent from "@/views/tool/datav/VueEvent";
import { websocketCommand } from "../../util/websocket.js";
const animationDuration = 6000;

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "100%"
    },
    chartOption: {
      type: Object
    },
    drawingList: {
      type: Array
    }
  },
  data() {
    return {
      chart: null,
      //dataOption: this.chartOption,
      timer: "",
      wsObj: null,
      wsFlag: false,
      wsTimer: "",
      wsValue: null,
      animate: this.className
    };
  },
  watch: {
    width() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    height() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    chartOption: {
      deep: true,
      handler(newVal) {
        this.$nextTick(() => {
          this.setOptions(JSON.parse(JSON.stringify(newVal)));
        });
      }
    },
    "chartOption.theme": {
      handler() {
        if (this.chart != null) {
          this.chart.dispose();
          this.chart = null;
          this.initChart();
        }
      }
    },
    "chartOption.timeout": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.dataSourceType": {
      handler(value) {
        //切换数据源重新连接
        if (value !== "websocket") {
          this.wsFlag = false;
          //每次切换数据源恢复原来动画
          this.animate = this.className;
        }
        if (value !== "url") {
          clearTimeout(this.timer);
        } 
      }
    },
    "chartOption.interfaceKey": {
      handler(newValue, oldValue) {
        //初始化不创建连接，改变接口地址重新创建
        if (oldValue !== undefined && oldValue != "") {
          this.wsValue = null;
          this.closeWs();
          this.createWs();
          this.animate = this.className;
        }
      }
    },
    wsFlag: {
      handler(value) {
        if (!value) {
          this.wsValue = null;
          this.closeWs();
        }
      }
    },
    className: {
      handler(value) {
        this.animate = value;
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart();
    });
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
    clearTimeout(this.timer);
    if (this.wsFlag) {
      this.closeWs();
    }
  },
  methods: {
    initChart() {
      echarts.registerTheme("customTheme", this.chartOption.theme);
      this.chart = echarts.init(this.$el, "customTheme");
      
      //判断是否开启定时器，当是访问url接口时候并且timeout不为0时候开启定时器
      if (this.timer != "") {
        clearTimeout(this.timer);
      }
      if (
        (this.chartOption.dataSourceType == 'url' || this.chartOption.dataSourceType == 'database') &&
        this.chartOption.timeout > 0
      ) {
        let timerTask = () => {
          this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
          this.timer = setTimeout(() => {
            timerTask();
          }, this.chartOption.timeout);
        };

        timerTask();
      }else{
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    setOptions: async function(dataOption) {
      //初始化数据
      //如果不是静态数据就调用接口给staticDataValue赋值
      if (dataOption.dataSourceType == "url") {
        let paramJson = parseQueryString(dataOption.requestParameters);

        let interfaceURL = dataOption.interfaceURL;
        dataOption.staticDataValue = await chartApiBar(
          dataOption.requestMethod,
          interfaceURL,
          paramJson,
          dataOption.token
        );
      } else if (dataOption.dataSourceType == "database") {
        if (dataOption.database.executeSql != undefined && dataOption.database.executeSql != '') {
          
          let result = [];
          if(dataOption.database.sqlType != 'custom'){
          
            result = await barPieBIanalysis(dataOption.database);
          }else{
            result = await chartBIanalysis(dataOption.database);
          }
          if (result.code == 200) {
            dataOption.staticDataValue = result.data;
            //console.log(dataOption.staticDataValue);
          } else {
            alert("操作数据库错误");
          }
        }

      }else if (dataOption.dataSourceType == "form") {
        if (dataOption.formSource != undefined) {
          
          let response = await getFormsource(dataOption.formSource.id);
          dataOption.staticDataValue = JSON.parse(response.data.formData);
        }
      }  else if (dataOption.dataSourceType == "websocket") {
        if (
          dataOption.interfaceKey != undefined &&
          dataOption.interfaceKey != ""
        ) {
          if (!this.wsFlag) {
            this.wsFlag = true;
            this.wsValue = null;
            this.createWs();
          }
          if (this.wsValue != null) {
            dataOption.staticDataValue = this.wsValue;
          }
        }
      }

      //*******************************************使用主题******************************************************/
      let color = [];
      if (dataOption.isThemeColor) {
        color = this.chartOption.theme.color;
        dataOption.color2 = color[0];
        dataOption.color3 = color[0];
        dataOption.color4 = color[0];
      }

      let data = dataOption.staticDataValue[0].value; //百分比
      if (dataOption.istitle == false) {
        dataOption.title.show = false;
      } else {
        dataOption.title.show = true;
      }

      let option = {
        title: dataOption.title,
        backgroundColor: "rgba(0,0,0,0)",
        tooltip: {
          trigger: "none"
        },
        xAxis: {
          data: ["百分比"],
          axisTick: {
            show: false
          },
          axisLine: {
            show: false
          },
          axisLabel: {
            show: false,
            textStyle: {
              color: "#e54035"
            }
          }
        },
        yAxis: {
          splitLine: {
            show: false
          },
          axisTick: {
            show: false
          },
          axisLine: {
            show: false
          },
          axisLabel: {
            show: false
          }
        },
        series: [
          {
            name: "最上层立体圆",
            type: "pictorialBar",
            symbolSize: [dataOption.width, 45], //上椭圆的宽高
            symbolOffset: [0, -20], //左右偏移和上下偏移
            z: 12, //图层
            itemStyle: {
              normal: {
                color: dataOption.color1 //颜色
              }
            },
            data: [
              {
                value: 100, //上椭圆在立体柱中的位置（百分比）
                symbolPosition: "end" //上述位置从底部开始计算
              }
            ]
          },
          {
            name: "中间立体圆",
            type: "pictorialBar",
            symbolSize: [dataOption.width, 45],
            symbolOffset: [0, -20],
            z: 13,
            itemStyle: {
              normal: {
                color: dataOption.color2
              }
            },

            data: [
              {
                value: data,
                symbolPosition: "end"
              }
            ]
          },
          {
            name: "最底部立体圆",
            type: "pictorialBar",
            symbolSize: [dataOption.width, 45],
            symbolOffset: [0, 20],
            z: 12,
            itemStyle: {
              normal: {
                color: dataOption.color3
              }
            },
            data: [100 - data]
          },
          {
            //底部立体柱
            name: dataOption.staticDataValue[0].name,
            stack: "1",
            type: "bar",
            itemStyle: {
              normal: {
                color: dataOption.color4, //颜色
                opacity: 0.7
              }
            },
            z: 11,
            label: {
              show: true,
              position: "top",

              distance: 15, //文字距离下柱的位置
              color: dataOption.color5, //颜色
              fontSize: dataOption.size, //50,
              fontFamily: dataOption.family,
              fontWeight: dataOption.weight,
              formatter: "{c}" + dataOption.suffix
            },
            silent: true,
            barWidth: dataOption.width, //宽度
            barGap: "-100%", // Make series be overlap
            data: [data]
          },
          {
            //上部立体柱
            stack: "1",
            type: "bar",
            itemStyle: {
              normal: {
                color: dataOption.color6,
                opacity: 0.7
              }
            },
            z: 5,
            silent: true,
            barWidth: dataOption.width,
            barGap: "-100%", // Make series be overlap
            data: [100 - data]
          }
        ]
      };
      //执行通用处理函数
      if(dataOption.customData != undefined && dataOption.customData != ""){
        try {
          option = (
          
            //里面为要处理的代码块
          eval(dataOption.customData) 
          
          )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
          );
        } catch (error) {
          console.log(error)
        }
       }
        //交互组件配置
      if(dataOption.interactData != undefined && dataOption.interactData != ""){
          try {
              option = (        
              //里面为要处理的代码块
              eval(dataOption.interactData)             
            )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
            );
          } catch (error) {
            console.log(error)
          }               
       }      
      this.chart.setOption(option, true);

      addOption(dataOption.bindingDiv, option);
      //开启图表联动
      if (dataOption.isLink == true) {
        this.chart.getZr().off("click");
        this.chart.getZr().on("click", params => {
          let point = [params.offsetX, params.offsetY];
          if (this.chart.containPixel("grid", point)) {
            // 使用 convertFromPixel方法 转换像素坐标值到逻辑坐标系上的点。获取点击位置对应的x轴数据的索引值，借助于索引值的获取到其它的信息
            let pointInGrid = this.chart.convertFromPixel(
              { seriesIndex: 1 },
              point
            );
            // x轴数据的索引值
            let xIndex = pointInGrid[0];

            //设置参数
            let arrObject = {
              seriesName: dataOption.staticDataValue[xIndex].name,
              data: dataOption.staticDataValue[xIndex].value
            };

            let arrs = JSON.stringify(arrObject);

            //获取绑定的图表
            let bindList = this.chartOption.bindList;

            if (bindList.length > 0) {
              linkChart(dataOption.arrName, arrs, bindList, this.drawingList);
            }
          }
        });
      }
      //开启图表下钻
      else if (dataOption.isDrillDown == true) {
        this.chart.getZr().off("click");
        this.chart.getZr().on("click", params => {
          let point = [params.offsetX, params.offsetY];
          if (this.chart.containPixel("grid", point)) {
            // 使用 convertFromPixel方法 转换像素坐标值到逻辑坐标系上的点。获取点击位置对应的x轴数据的索引值，借助于索引值的获取到其它的信息
            let pointInGrid = this.chart.convertFromPixel(
              { seriesIndex: 1 },
              point
            );
            // x轴数据的索引值
            let xIndex = pointInGrid[0];

            //设置参数
            let arrObject = {
              seriesName: dataOption.staticDataValue[xIndex].name,
              data: dataOption.staticDataValue[xIndex].value
            };

            let arrs = JSON.stringify(arrObject);

            //获取绑定的图表
            let drillDownChartOption = this.chartOption.drillDownChartOption;

            if (
              drillDownChartOption != undefined &&
              drillDownChartOption != null
            ) {
              this.$set(
                this.chartOption.drillDownChartOption.chartOption,
                "requestParameters",
                "drillParam=" + arrs
              );
              //发送下钻消息
              VueEvent.$emit(
                "drill_down_msg",
                this.chartOption.drillDownChartOption
              );
            }
          }
        });
      } else {
        //关闭图表联动，取消echart点击事件
        this.chart.getZr().off("click");
      }

      //开启图表远程控制
      if (dataOption.isRemote == true) {
        this.chart.getZr().on("click", params => {
          let point = [params.offsetX, params.offsetY];
          if (this.chart.containPixel("grid", point)) {
            // 使用 convertFromPixel方法 转换像素坐标值到逻辑坐标系上的点。获取点击位置对应的x轴数据的索引值，借助于索引值的获取到其它的信息
            let pointInGrid = this.chart.convertFromPixel(
              { seriesIndex: 1 },
              point
            );
            // x轴数据的索引值
            let xIndex = pointInGrid[0];

            //设置参数
            let arrObject = {
              seriesName: dataOption.staticDataValue[xIndex].name,
              data: dataOption.staticDataValue[xIndex].value
            };
            let remoteData = { ...dataOption.remote };
            remoteData.query = arrObject;
            //调用接口
            remoteChartApi(remoteData);
          }
        });
      }
    },
    //  ws连接成功，后台返回的ws数据
    receiveMsg(e) {
      if (e.action == "chat") {
        // console.log('服务端推送',e);
        this.wsValue = JSON.parse(e.result);
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    // 建立连接、发起ws请求，以心跳方式，向服务端发送数据
    createWs() {
      this.wsObj = new WebSocket(process.env.VUE_APP_WEBSOCKET);
      // 若为对象类型，以回调方式发送
      websocketCommand(
        this.wsObj,
        "create",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
    },
    // 断网重连，需要处理的逻辑
    reconnectWs() {
      if (this.wsObj) {
        console.log("%c websocket_reconnect", "color:blue");
        this.createWs();
      }
    },
    // 以回调方式向服务端发送(对象类型的)心跳
    sendHeartBeat() {
      if (this.wsTimer != "") {
        clearTimeout(this.wsTimer);
      }

      let wsTimerTask = () => {
        console.log("发送心跳", "ping");
        let obj = { action: "keep", key: this.chartOption.interfaceKey };
        this.wsObj.send(JSON.stringify(obj));
        this.wsTimer = setTimeout(() => {
          wsTimerTask();
        }, parseInt(process.env.VUE_APP_WEBSOCKET_TIMEOUT));
        this.wsWarning();
      };

      wsTimerTask();
    },
    wsWarning() {
      //如果断开连接则显示组件警告动画并清除计数器
      if (this.wsObj.readyState == 3) {
        this.animate = "warning";
        clearTimeout(this.wsTimer);
      }
    },
    closeWs() {
      clearTimeout(this.wsTimer);
      websocketCommand(
        this.wsObj,
        "close",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
      this.wsObj = null;
    }
  }
};
</script>
